Hmm, I don't know the definition of host/slave or the specified application
areas for type A or B, but printers/scanners/etc _can_ initiate a
communication session. Just think of the cheapo all-in-one printer with a
button to start a scan... It's not just the ability to provide or consume
power (5v) either. Needs a bit of googling when I have more time...
Still anticipating arrival of Brian's new baby...
Jez
On 2 June 2013 14:00, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> OK, I'll accept that. The Thermaltake drive dock also sports a type B
> USB connector. I'd never thought of them as host or slave but those
> devices with type B connectors (drive dock, scanners, printers) respond
> but do not initiate communications as far as I know.
>
> Chuck Norcutt
>
>
> On 6/1/2013 5:45 PM, Jez Cunningham wrote:
> > This box also acts (according to the blurb) as a 2-port hub. So there
> > should be (typically) a type B connector on the back.
> > (Although USB is bidirectional, ports can act as host or slave.)
> >
> > On 01/06/2013, Paul Braun <pbraun42@xxxxxxxxx> wrote:
> >> On Sat, Jun 1, 2013 at 4:34 PM, Chuck Norcutt
> >> <chucknorcutt@xxxxxxxxxxxxxxxx
> >>> wrote:
> >>
> >>> Since USB is bidirectional what's a "USB input connection"? And why
> >>> does it need to be on the back when there are two USB connectors on the
> >>> front?
> >>>
> >>> Typically, a "usb input" is the squarish connector like on the back of
> >> printers. The flat, rectangular connections on the front are typically
> >> considered "outputs" even though, as you mentioned, it's bi-directional.
> >>
> >>
> >> --
> >>
> >> Paul Braun
> >> Music Junkie
> >>
> >> "Music washes from the soul the dust of everyday life." -- Harlan Howard
> >> --
> >> _________________________________________________________________
> >> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> >> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> >> Themed Olympus Photo Exhibition: http://www.tope.nl/
> >>
> >>
> --
> _________________________________________________________________
> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> Themed Olympus Photo Exhibition: http://www.tope.nl/
>
>
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|